[embind] Always enable assertions during TypeScript generation.

Fixes #21641

Author: brendandahl

test/test_other.py

@@ -3192,7 +3192,9 @@ def test_embind_tsgen_ignore(self):
     extra_args = ['-sMODULARIZE',
                   '--embed-file', 'fail.js',
                   '-sMINIMAL_RUNTIME=2',
-                  '-sEXPORT_ES6=1']
+                  '-sEXPORT_ES6=1',
+                  '-sASSERTIONS=0',
+                  '-sSTRICT=1']
     self.emcc(test_file('other/embind_tsgen.cpp'), extra_args)
     self.assertFileContents(test_file('other/embind_tsgen_ignore_2.d.ts'), read_file('embind_tsgen.d.ts'))
     # Also test this separately since it conflicts with other settings.

tools/link.py

@@ -1962,6 +1962,8 @@ def run_embind_gen(wasm_target, js_syms, extra_settings):
   settings.SINGLE_FILE = False
   # Embind may be included multiple times, de-duplicate the list first.
   settings.JS_LIBRARIES = dedup_list(settings.JS_LIBRARIES)
+  # Assertions are always used.
+  settings.ASSERTIONS = 1
   # Replace embind with the TypeScript generation version.
   embind_index = settings.JS_LIBRARIES.index('embind/embind.js')
   settings.JS_LIBRARIES[embind_index] = 'embind/embind_gen.js'